Light S.A (LIGT3) Fair Value & Analysis
Utilities · BR · Market cap R$1.4B
Fair value as of: Jul 18, 2026
From 26 valuation models · updated today
Fair value updated Jul 18, 2026, revised from R$15.87 to R$7.61 (−52.0%) since Jun 24, 2026. Share price +30.2% over the past month.
Price vs Fair Value (12 months)
12‑month range R$2.48 – R$7.30 · fair‑value band R$5.16 – R$9.51 · the R$3.23 price screens below the R$7.61 fair value. As of Jul 18, 2026.
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Light S.A (LIGT3) currently trades at R$3.23, while our model-based Fair Value estimate is R$7.61, implying the stock looks roughly 135.6% undervalued today. We read business quality at 36/100 (below-average quality), in the Utilities sector. Bull case: trading below our estimate, it may offer upside if the fundamentals hold. Bear case: a low price can be a value trap when quality is weak or the data is thin (evidence: high), always confirm before acting.
Over the trailing twelve months, Light S.A generated revenue of R$14.9B at a net margin of 15.4%. Revenue grew 8.1% year over year. It earns a return on equity of 54.2%. Net debt stands at R$9.9B. Fundamentals as of Jul 18, 2026
Our scenario range runs from R$5.16 (bear case) to R$9.51 (bull case); at R$3.23, the current price sits below that range. The share trades about 58% below its 52-week high and 33% above its 52-week low, currently below its 200-day average. For context, the median of 10 Utilities peers we cover trades at -28% fair-value upside, at 136%, LIGT3 screens cheaper than that median.
Key figures & financial health
More key figures
Figures from reported company fundamentals (EODHD) · as of Jul 18, 2026. TTM = trailing twelve months.
About the company
Light S.A., together with its subsidiaries, engages in the generation, transmission, distribution, and sale of electric power in Brazil. The company distributes electricity in the state of Rio de Janeiro. It engages in the research, planning, building, operation, and exploration of generation and transmission systems; purchase, sale, import, and export of electric and thermal power, and gas and industrial utilities; provision of consulting services in the energy sector; lease of real estate and personal properties; acquisition and sale of goods related to the studies and projects; implementation, operation, and maintenance of construction works and facilities; and hydropower generation activities. In addition, the company provides services to low voltage clients, including the assembly, renovation, and maintenance of facilities. Further, it offers technology solutions and systems for the operating management of public service concessionaires, including electricity, gas, water, …
Revenue & earnings trend
FY2021 – FY2025 · reported fiscal years
Light S.A reported revenue of R$15.0B in FY2025 versus R$14.3B in FY2021, a compound +1.2%/yr. Reported net income was R$213M in FY2025, compounding −14.5%/yr from FY2021.
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Similar stocks
10 more Utilities - Renewable stocks, each showing price versus our Fair Value estimate (as of Jul 18, 2026).
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| China Yangtze Power Co 600900 | ¥27.61 | ¥17.14 | -38% |
| Ørsted A/S D2G | €20.80 | €9.92 | -52% |
| Huaneng Lancang River Hydropower Inc 600025 | ¥9.73 | ¥2.95 | -70% |
| Adani Green Energy Limited ADANIGREEN | ₹1,526 | ₹139.34 | -91% |
| AXIA Energia SA AXIAP | $10.74 | $9.67 | -10% |
| VERBUND AG OEWA | €58.65 | €82.41 | +41% |
| BEPUN BEPUN | C$49.26 | C$43.64 | -11% |
| BEP BEP | $35.74 | $27.28 | -24% |
| Fortum Oyj FOJCF | $22.95 | $10.41 | -55% |
| China Longyuan Power Group 001289 | ¥17.99 | ¥12.93 | -28% |
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How we calculate Fair Value
Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data, nothing guessed.
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Not financial advice · no buy/sell recommendation. Model-based estimates are not certainties; their reliability depends on data quality and assumptions.